Home / 25,477.24-38,226.66-12,339.40

Finding the Fourth Proportional to 25,477.24, 38,226.66 and 12,339.40

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Solution

The fourth proportional to 25,477.24, 38,226.66 and 12,339.40 is: 18,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.24 : 38,226.66 = 12,339.40 : x
  2. Step 2: Convert to fraction form
    25,477.24/38,226.66 = 12,339.40/x
  3. Step 3: Cross multiply
    25,477.24x = 38,226.66 × 12,339.40
  4. Step 4: Simplify right side
    25,477.24x = 471,694,048.40
  5. Step 5: Solve for x
    x = 471,694,048.40/25,477.24
  6. Step 6: Final answer
    x = 18,514.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.